In your process, you're essentially restoring the phone three times. Once during the upgrade (backup/restore happens automatically), once manually, and then once again as part of the Enterprise Activation (BES Wireless Backup).

Try just doing the upgrade (which does backup/restore) and then your Enterprise Activation when it's completed.

In your process, you're essentially restoring the phone three times. Once during the upgrade (backup/restore happens automatically), once manually, and then once again as part of the Enterprise Activation (BES Wireless Backup).

Try just doing the upgrade (which does backup/restore) and then your Enterprise Activation when it's completed.